Bone cement compositions having fiber-reinforcement and/or...

Details Bone cement compositions having fiber-reinforcement and/or... Bone cement compositions having fiber-reinforcement and/or...

2004-09-07

2009-02-24

Koslow, C. Melissa (Department: 1755)

Compositions: ceramic

Ceramic compositions

Refractory

C501S123000, C501S124000, C106S035000, C106S691000, C106S776000, C106S778000, C106S779000, C623S023560, C623S023620, C623S023610, C623S023630, C424S422000, C424S602000, C424S603000

Reexamination Certificate

active

07494950

ABSTRACT:
The present invention relates in general to implantable compositions, and method for preparing same, containing a calcium salt-containing component, optionally demineralized bone, a plurality of discrete fibers, optionally a flow additive, and optionally continuous reinforcing fibers or an array of organized fibers in the form of mesh. Advantageously, the discrete fibers have a specific aspect ratio (length/diameter) from about 50:1 to about 1000:1. The addition of a small amount of discrete fibers and/or the continuous reinforcing fibers or fiber mesh can cause drastic increases in certain mechanical properties including flexural strength, flexural toughness, and/or screw pullout strength.

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